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Initial Cowon D2 commit:

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* bootloader test program (basic LCD & button drivers, reads touchscreen)
* work-in-progress stubs for main build


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16090 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rob Purchase 2008-01-14 22:04:48 +00:00
parent b30ca8ca5a
commit 47ea030e2e
42 changed files with 3082 additions and 11 deletions
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49
bootloader/telechips.c
View file

@ -41,6 +41,10 @@
#include "file.h"
#include "common.h"
#if defined(COWON_D2)
#include "i2c.h"
#endif
char version[] = APPSVERSION;
extern int line;
@ -50,6 +54,7 @@ void* main(void)
int button;
int power_count = 0;
int count = 0;
int i;
bool do_power_off = false;
system_init();
@ -57,6 +62,10 @@ void* main(void)
lcd_init();
font_init();
#if defined(COWON_D2)
lcd_enable(true);
#endif
_backlight_on();
while(!do_power_off) {
@ -68,7 +77,7 @@ void* main(void)
/* Power-off if POWER button has been held for a long time
This loop is currently running at about 100 iterations/second
*/
if (button & BUTTON_POWERPLAY) {
if (button & POWEROFF_BUTTON) {
power_count++;
if (power_count > 200)
do_power_off = true;
@ -78,6 +87,40 @@ void* main(void)
printf("Btn: 0x%08x",button);
#if defined(COWON_D2)
printf("GPIOA: 0x%08x",GPIOA);
printf("GPIOB: 0x%08x",GPIOB);
printf("GPIOC: 0x%08x",GPIOC);
printf("GPIOD: 0x%08x",GPIOD);
printf("GPIOE: 0x%08x",GPIOE);
for (i = 0; i<4; i++)
{
printf("ADC%d: 0x%04x",i,adc_read(i));
}
/* TODO: Establish how the touchscreen driver is going to work.
Since it needs I2C read/write, it can't easily go on a tick task */
{
unsigned char buf[] = { 0x2f, (0xE<<1) | 1, /* ADC start for X+Y */
0, 0, 0 };
int x,y;
i2c_write(0x10, buf, 2);
i2c_readmem(0x10, 0x2e, buf, 5);
x = (buf[2] << 2) | (buf[3] & 3);
y = (buf[4] << 2) | ((buf[3] & 0xC) >> 2);
printf("X: 0x%03x Y: 0x%03x",x,y);
buf[0] = 0x2f;
buf[1] = (0xF<<1) | 1; /* ADC start for P1+P2 */
i2c_write(0x10, buf, 2);
i2c_readmem(0x10, 0x2e, buf, 5);
x = (buf[2] << 2) | (buf[3] & 3);
y = (buf[4] << 2) | ((buf[3] & 0xC) >> 2);
printf("P1: 0x%03x P2: 0x%03x",x,y);
}
#endif
count++;
printf("Count: %d",count);
}
@ -86,6 +129,10 @@ void* main(void)
line = 0;
printf("POWER-OFF");
#if defined(COWON_D2)
lcd_enable(false);
#endif
/* TODO: Power-off */
while(1);